\(\sqrt{7}+2\sqrt{7}\) किसके बराबर है?
What is \(\sqrt{7}+2\sqrt{7}\) equal to?
Explanation opens after your attempt
Correct Answer
B. \(3\sqrt{7}\)
Concept
Both terms contain the same radical \(\sqrt{7}\).
Why this answer is correct
\(1\sqrt{7}+2\sqrt{7}=3\sqrt{7}\).
Exam Tip
For like radicals, add only the outside coefficients. चरण 1: दोनों पदों में \(\sqrt{7}\) समान है। चरण 2: \(1\sqrt{7}+2\sqrt{7}=3\sqrt{7}\)। चरण 3: समान वर्गमूलों में केवल बाहर के गुणांक जोड़ें।
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